Senior OT Network Engineer – Cybersecurity Focus

SB Energy; San Francisco (CA); Hybrid; USD 100,000 - 140,000; Full time

Benefits offered by this job

100% Company-Paid Medical, Dental &amp

Vision for employees and dependents

401(k) with Company Match

Generous Paid Time Off + 11 Paid Hy…

12 Weeks Paid Parental Leave

Life, AD&D & Long-Term Disabil

Flexible Spending Accounts (FSA) for …

Hybrid Office Setup Benefits

Monthly Reimbursement for Phone, Net &

Device Purchase Support

Job summary

SB Energy, a SoftBank Group-backed leader in data center and power infrastructure, is seeking a Senior Network Engineer to design, implement, and maintain the growing OT network across our solar, storage, and data center assets. You will drive architecture from design through handover, ensure cybersecurity alignment with NIST/ISA/IEC standards, and oversee vendor interactions.

The role requires strong collaboration, advanced networking skills in Azure, on-site and remote connectivity, and a

Qualifications

• Bachelor’s degree or equivalent education and experience.
• 5+ years of experience managing computer networks in the OT energy sector (solar, battery storage, gas generation) and data center.
• 5+ years of experience with Microsoft Azure networking, site-to-site connectivity, virtual networks, VPN gateways, cloud firewalls, and hybrid monitoring.
• Experience with Palo Alto Networks/Cisco routers, firewalls, and switches, Dell Servers, Hyper-V, VMWare, Kubernetes, Docker.
• Current networking or security certifications such as CCNP/CCNA, PCNSE/PCNSA, GICSP, GRID, CISSP, or Security+.
• Familiarity with the NIST Cybersecurity Framework, NIST SP 800-82, ISA/IEC 62443, and NERC CIP applicability and compliance processes.
• Datacenter knowledge in Electric Power Management System (EPMS) and Building Management Systems (BMS) is a plus
• Broad experience across new solar technologies, energy storage, or application of artificial intelligence / machine learning to renewable energy.
• Demonstrated strong engineering, design, and communication skills, and an ability to work in a dynamic team environment to think outside the box and solve traditional problems in new ways.
• Self-starter with the ability to prioritize efforts and drive towards completion.
• Strong verbal, written, interpersonal and communication skills

Responsibilities

• Own the end-to-end OT network architecture from development and detailed design through construction, commissioning, operations, upgrades, and asset handover.
• Design resilient, segmented power plant and substation networks, including LAN/WAN, VLANs and VRFs, routing and switching, firewalls and DMZs, redundant paths, fiber and telecom circuits, wireless or cellular links, and secure cloud or remote operations connectivity.
• Find solutions for telecomm/fiber to remote sites utilizing wireless or satellite backup communications
• Create and maintain high- and low-level designs, network topology diagrams, IP address and VLAN plans, port/protocol matrices, firewall rule bases, equipment standards, bills of material, fiber schedules, test plans, and as-built records.
• Lead equipment selection, configuration standards, capacity planning, procurement support, factory/site acceptance testing, commissioning, failover testing, and operational handoff.
• Review EPC, OEM, integrator, and subcontractor designs and configurations; resolve technical gaps and verify that installations meet reliability, cybersecurity, schedule, budget, and supportability requirements.
• Embed defense-in-depth into OT network designs and operating practices, using risk-based principles aligned with company policy, NIST guidance for OT security, ISA/IEC 62443, and applicable NERC CIP requirements.
• Implement and govern security zones and conduits, firewall and access-control policies, industrial DMZs, allowlisted communications, least-privilege access, and documented separation between enterprise IT, site OT, vendor, and external networks.
• Secure interactive and vendor remote access through approved VPNs, multi-factor authentication, jump hosts or privileged access controls, time-bounded access, session accountability, and rapid revocation.
• Integrate network devices with centralized monitoring and security tooling, including health and performance monitoring, syslog/SIEM, time synchronization, configuration management, and OT-aware detection or network visibility platforms.
• Assess third-party equipment, connections, and support models for cybersecurity risk before deployment, and ensure vendors follow approved remote-access, change-control, and incident-notification requirements.
• Review network firmware updates and determine risk, impacts and implement updates
• Report project progress updates to key stakeholders

Skills

OT network design

Azure networking

Security fundamentals

Team collaboration

Education

Bachelor's degree or equivalent

Tools

Palo Alto

Cisco routers

Dell servers

Hyper-V

VMware

Kubernetes

Docker

Job description

SB Energy, a SoftBank Group-backed leader in data center and power infrastructure, is seeking a Senior Network Engineer to design, implement, and maintain the growing OT network across our solar, storage, and data center assets. You will drive architecture from design through handover, ensure cybersecurity alignment with NIST/ISA/IEC standards, and oversee vendor interactions.

The role requires strong collaboration, advanced networking skills in Azure, on-site and remote connectivity, and a